105-36-2
溴代乙酸乙酯
+
17028-61-4
2-羟基-3-甲氧基-5-硝基苯甲醛
→
25672-28-0
ethyl 2-(2-formyl-6-methoxy-4-nitrophenoxy)acetate
25672-29-1
7-methoxy-5-nitro-1-benzofuran-2-carboxylic acid